Home / 9,639,072.65-13,301,842.14-5,228,785.87

Finding the Fourth Proportional to 9,639,072.65, 13,301,842.14 and 5,228,785.87

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Solution

The fourth proportional to 9,639,072.65, 13,301,842.14 and 5,228,785.87 is: 7,215,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639,072.65 : 13,301,842.14 = 5,228,785.87 : x
  2. Step 2: Convert to fraction form
    9,639,072.65/13,301,842.14 = 5,228,785.87/x
  3. Step 3: Cross multiply
    9,639,072.65x = 13,301,842.14 × 5,228,785.87
  4. Step 4: Simplify right side
    9,639,072.65x = 69,552,484,264,815.62
  5. Step 5: Solve for x
    x = 69,552,484,264,815.62/9,639,072.65
  6. Step 6: Final answer
    x = 7,215,682.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.